Cuvette



FIG. 1 is a side perspective view of the cuvette according to the invention;

FIG. 2 is a top plan view of the cuvette thereof;

FIG. 3 is a bottom plan view of the cuvette thereof;

FIG. 4 is a first side wall plan view of the cuvette thereof;

FIG. 5 is a second side wall plan view of the cuvette thereof; and,

FIG. 6 is a first end wall plan view of the cuvette thereof. The second end wall plan view of the cuvette is a mirror image of FIG. 6. 

The ornamental design for a cuvette, as shown and described. 